Color photo of World War II: American YB-17 Flying Fortress heavy bomber at Langley Field, Virginia, USA.
12 of the YB-17 bombers were used by the 2nd Bomber Group, based at Langley Field. With their help, various tests were conducted, and new techniques and methods of bombing were developed.
YB-17 source: Library of Congress.
Source of YB-17 Flying Fortress photo information:
Location: Langley Field, Virginia, USA
Date: May, 1942
Photo by Alfred Palmer